.login {
  height: 100vh;
  overflow: hidden;

  .lequ {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    opacity: .7;
  }

  button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    margin: 500rpx auto;
    width: 320rpx;
    box-sizing: border-box;
  }
}